Quadracept
quadricepts are the muscle on the front of your leg above the knee. they are used in football, rugby etc
muscle
Cardiac muscle.
The sotonage is the muscle that connects the leg to the upper body!
mainly your right leg
The leg tendants
The gastrocnemius muscle is located with the soleus in the posterior (back) compartment of the leg. It is associated with the "bulge" in the calf muscle.
The muscle that contracts when the leg is extended at the knee is call the gastrocnemius muscle
running, cycling, rowing and football as well as many others as this is your main muscle in the leg
The leg is composed of both muscles and bones.
you can build your leg muscles multiple ways but the best way is doing squats. You can also run and that builds leg muscle and helps your cardio.
When you experience a leg or muscle cramp, it is because the muscle has constricted or tightened up. The lump you are referring to is the muscle itself that has tightened up. When your muscle relaxes, the cramp goes away.